<template>
  <div>
    <div class="gva-search-box">
      <el-form
        ref="elSearchFormRef"
        :inline="true"
        :model="searchInfo"
        class="demo-form-inline"
        :rules="searchRule"
        @keyup.enter="onSubmit"
      >
        <el-form-item
          label="创建日期"
          prop="createdAt"
        >
          <template #label>
            <span>
              创建日期
              <el-tooltip content="搜索范围是开始日期（包含）至结束日期（不包含）">
                <el-icon><QuestionFilled /></el-icon>
              </el-tooltip>
            </span>
          </template>
          <el-date-picker
            v-model="searchInfo.startCreatedAt"
            type="datetime"
            placeholder="开始日期"
            :disabled-date="time=> searchInfo.endCreatedAt ? time.getTime() > searchInfo.endCreatedAt.getTime() : false"
          />
          —
          <el-date-picker
            v-model="searchInfo.endCreatedAt"
            type="datetime"
            placeholder="结束日期"
            :disabled-date="time=> searchInfo.startCreatedAt ? time.getTime() < searchInfo.startCreatedAt.getTime() : false"
          />
        </el-form-item>
        <el-form-item
          label="二级目录"
          prop="levelTwoID"
        >
          <el-select
            v-model="searchInfo.levelTwoID"
            @change="searchInfo.levelThreeID = undefined"
          >
            <el-option
              v-for="item in levelTwoOptions"
              :key="item.ID"
              :label="item.value"
              :value="item.ID"
            />
          </el-select>
        </el-form-item>
        <el-form-item
          label="三级目录"
          prop="levelThreeID"
        >
          <el-select v-model="searchInfo.levelThreeID">
            <el-option
              v-for="item in getLevelThree(searchInfo.levelTwoID)"
              :key="item.ID"
              :label="item.value"
              :value="item.ID"
            />
          </el-select>
        </el-form-item>
        <el-form-item
          label="文章标题"
          prop="title"
        >
          <el-input
            v-model="searchInfo.title"
            placeholder="搜索条件"
          />
        </el-form-item>
        <el-form-item>
          <el-button
            type="primary"
            icon="search"
            @click="onSubmit"
          >查询</el-button>
          <el-button
            icon="refresh"
            @click="onReset"
          >重置</el-button>
        </el-form-item>
      </el-form>
    </div>
    <div class="gva-table-box">
      <div class="gva-btn-list">
        <el-button
          type="primary"
          icon="plus"
          @click="openDialog"
        >新增</el-button>
        <el-popover
          v-model:visible="deleteVisible"
          placement="top"
          width="160"
        >
          <p>确定要删除吗？</p>
          <div style="text-align: right; margin-top: 8px;">
            <el-button
              type="primary"
              link
              @click="deleteVisible = false"
            >取消</el-button>
            <el-button
              type="primary"
              @click="onDelete"
            >确定</el-button>
          </div>
          <template #reference>
            <el-button
              icon="delete"
              style="margin-left: 10px;"
              :disabled="!multipleSelection.length"
              @click="deleteVisible = true"
            >删除</el-button>
          </template>
        </el-popover>
      </div>
      <el-table
        ref="multipleTable"
        style="width: 100%"
        tooltip-effect="dark"
        :data="tableData"
        row-key="ID"
        @selection-change="handleSelectionChange"
      >
        <el-table-column
          type="selection"
          width="55"
        />
        <el-table-column
          align="center"
          label="日期"
          width="180"
        >
          <template #default="scope">{{ formatDate(scope.row.CreatedAt) }}</template>
        </el-table-column>
        <el-table-column
          align="center"
          label="二级目录"
          prop="levelTwoID"
          width="120"
        >
          <template #default="scope">
            <el-select
              v-model="scope.row.levelTwoID"
              disabled
            >
              <el-option
                v-for="item in levelTwoOptions"
                :key="item.ID"
                :label="item.value"
                :value="item.ID"
              />
            </el-select>
          </template>
        </el-table-column>
        <el-table-column
          align="center"
          label="三级目录"
          prop="levelThreeID"
          width="120"
        >
          <template #default="scope">
            <el-select
              v-model="scope.row.levelThreeID"
              disabled
            >
              <el-option
                v-for="item in levelThreeOptions"
                :key="item.ID"
                :label="item.value"
                :value="item.ID"
              />
            </el-select>
          </template>
        </el-table-column>
        <el-table-column
          align="center"
          label="标题"
          prop="title"
          width="120"
        />
        <el-table-column
          align="center"
          label="封面"
          width="200"
        >
          <template #default="scope">
            <el-image
              style="width: 100px; height: 100px"
              :src="getUrl(scope.row.cover)"
              fit="cover"
            />
          </template>
        </el-table-column>
        <el-table-column
          align="center"
          label="图片"
          width="200"
        >
          <template #default="scope">
            <el-image
              style="width: 100px; height: 100px"
              :src="getUrl(scope.row.image)"
              fit="cover"
            />
          </template>
        </el-table-column>
        <el-table-column
          align="center"
          label="状态"
          prop="status"
          width="120"
        >
          <template #default="scope">{{ formEnable(scope.row.status) }}</template>
        </el-table-column>
        <el-table-column
          align="center"
          label="是否付费可看"
          prop="isPaid"
          width="120"
        >
          <template #default="scope">{{ formatBoolean(scope.row.isPaid) }}</template>
        </el-table-column>
        <el-table-column
          align="center"
          label="点赞量"
          prop="praiseNum"
          width="120"
        />
        <el-table-column
          align="center"
          label="收藏量"
          prop="collectNum"
          width="120"
        />
        <el-table-column
          align="center"
          label="转发量"
          prop="forwardNum"
          width="120"
        />
        <el-table-column
          align="center"
          label="操作"
          min-width="120"
          fixed="right"
        >
          <template #default="scope">
            <el-button
              type="primary"
              link
              class="table-button"
              @click="getDetails(scope.row)"
            >
              <el-icon style="margin-right: 5px"><InfoFilled /></el-icon>
              查看详情
            </el-button>
            <el-button
              type="primary"
              link
              icon="edit"
              class="table-button"
              @click="updateFdArticleLearnFunc(scope.row)"
            >变更</el-button>
            <el-button
              type="primary"
              link
              icon="delete"
              @click="deleteRow(scope.row)"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <div class="gva-pagination">
        <el-pagination
          layout="total, sizes, prev, pager, next, jumper"
          :current-page="page"
          :page-size="pageSize"
          :page-sizes="[10, 30, 50, 100]"
          :total="total"
          @current-change="handleCurrentChange"
          @size-change="handleSizeChange"
        />
      </div>
    </div>
    <el-dialog
      v-model="dialogFormVisible"
      :before-close="closeDialog"
      :title="type==='create'?'添加':'修改'"
      destroy-on-close
    >
      <el-scrollbar height="500px">
        <el-form
          ref="elFormRef"
          :model="formData"
          label-position="right"
          :rules="rule"
          label-width="140px"
        >
          <el-form-item
            label="二级目录:"
            prop="levelTwoID"
          >
            <el-select
              v-model="formData.levelTwoID"
              @change="formData.levelThreeID = undefined"
            >
              <el-option
                v-for="item in levelTwoOptions"
                :key="item.ID"
                :label="item.value"
                :value="item.ID"
              />
            </el-select>
          </el-form-item>
          <el-form-item
            label="三级目录:"
            prop="levelThreeID"
          >
            <el-select v-model="formData.levelThreeID">
              <el-option
                v-for="item in getLevelThree(formData.levelTwoID)"
                :key="item.ID"
                :label="item.value"
                :value="item.ID"
              />
            </el-select>
          </el-form-item>

          <el-form-item
            label="标题:"
            prop="title"
          >
            <el-input
              v-model="formData.title"
              :clearable="true"
              placeholder="请输入"
            />
          </el-form-item>
          <el-form-item
            label="简介:"
            prop="briefly"
          >
            <el-input
              v-model="formData.briefly"
              :clearable="true"
              placeholder="请输入"
            />
          </el-form-item>
          <el-form-item
            label="封面:"
            prop="cover"
          >
            <SelectImage v-model="formData.cover" />
          </el-form-item>
          <el-form-item label="视频链接:"  prop="videoLink" >
            <SelectImage v-model="formData.videoLink" v-if="formData.videoLink==''"/>
            <el-input v-model="formData.videoLink" :clearable="true"  placeholder="请输入" v-else/>
          </el-form-item>
          <el-form-item
            label="图片:"
            prop="image"
          >
            <SelectImage v-model="formData.image" />
          </el-form-item>
          <el-form-item
            label="详情:"
            prop="details"
          >
            <RichEdit v-model="formData.details" />
          </el-form-item>
          <el-form-item
            label="状态:"
            prop="status"
          >
            <el-switch
              v-model="formData.status"
              active-color="#13ce66"
              inactive-color="#ff4949"
              active-text="上架"
              inactive-text="下架"
              clearable
            />
          </el-form-item>
          <el-form-item
            label="是否付费可看:"
            prop="isPaid"
          >
            <el-switch
              v-model="formData.isPaid"
              active-color="#13ce66"
              inactive-color="#ff4949"
              active-text="是"
              inactive-text="否"
              clearable
            />
          </el-form-item>
          <!--<el-form-item label="点赞量:" prop="praiseNum" >-->
            <!--<el-input v-model.number="formData.praiseNum" :clearable="true" placeholder="请输入" />-->
          <!--</el-form-item>-->
          <!--<el-form-item label="收藏量:" prop="collectNum" >-->
            <!--<el-input v-model.number="formData.collectNum" :clearable="true" placeholder="请输入" />-->
          <!--</el-form-item>-->
          <!--<el-form-item label="转发量:" prop="forwardNum" >-->
            <!--<el-input v-model.number="formData.forwardNum" :clearable="true" placeholder="请输入" />-->
          <!--</el-form-item>-->
        </el-form>
      </el-scrollbar>
      <template #footer>
        <div class="dialog-footer">
          <el-button @click="closeDialog">取 消</el-button>
          <el-button
            type="primary"
            @click="enterDialog"
          >确 定</el-button>
        </div>
      </template>
    </el-dialog>

    <el-dialog
      v-model="detailShow"
      style="width: 800px"
      lock-scroll
      :before-close="closeDetailShow"
      title="查看详情"
      destroy-on-close
    >
      <el-scrollbar height="550px">
        <el-descriptions
          column="1"
          border
        >
          <el-descriptions-item label="二级栏目">
            <el-select v-model="formData.levelTwoID">
              <el-option
                v-for="item in levelTwoOptions"
                :key="item.ID"
                :label="item.value"
                :value="item.ID"
              />
            </el-select>
          </el-descriptions-item>
          <el-descriptions-item label="三级栏目">
            <el-select v-model="formData.levelThreeID">
              <el-option
                v-for="item in getLevelThree(formData.levelTwoID)"
                :key="item.ID"
                :label="item.value"
                :value="item.ID"
              />
            </el-select>
          </el-descriptions-item>
          <el-descriptions-item label="标题">
            {{ formData.title }}
          </el-descriptions-item>
          <el-descriptions-item label="简介">
            {{ formData.briefly }}
          </el-descriptions-item>
          <el-descriptions-item label="封面">
            <el-image
              style="width: 50px; height: 50px"
              :preview-src-list="ReturnArrImg(formData.cover)"
              :src="getUrl(formData.cover)"
              fit="cover"
            />
          </el-descriptions-item>
          <el-descriptions-item label="视频链接">
            {{ formData.videoLink }}
          </el-descriptions-item>
          <el-descriptions-item label="图片">
            <el-image
              style="width: 50px; height: 50px"
              :preview-src-list="ReturnArrImg(formData.image)"
              :src="getUrl(formData.image)"
              fit="cover"
            />
          </el-descriptions-item>
          <el-descriptions-item label="状态">
            {{ formEnable(formData.status) }}
          </el-descriptions-item>
          <el-descriptions-item label="是否付费可看">
            {{ formatBoolean(formData.isPaid) }}
          </el-descriptions-item>
          <el-descriptions-item label="点赞量">
            {{ formData.praiseNum }}
          </el-descriptions-item>
          <el-descriptions-item label="收藏量">
            {{ formData.collectNum }}
          </el-descriptions-item>
          <el-descriptions-item label="转发量">
            {{ formData.forwardNum }}
          </el-descriptions-item>
        </el-descriptions>
      </el-scrollbar>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: 'FdArticleLearn'
}
</script>

<script setup>
import {
  createFdArticleLearn,
  deleteFdArticleLearn,
  deleteFdArticleLearnByIds,
  updateFdArticleLearn,
  findFdArticleLearn,
  getFdArticleLearnList
} from '@/api/fdArticleLearn'

// 全量引入格式化工具 请按需保留
import {
  getDictFunc,
  formatDate,
  formatBoolean,
  filterDict,
  ReturnArrImg,
  onDownloadFile,
  formEnable,
} from '@/utils/format'
import { ElMessage, ElMessageBox } from 'element-plus'
import { ref, reactive } from 'vue'

import { getLearnLevelOneList, getLevelOneList } from '@/api/levelOne'
import { getLevelTwoList } from '@/api/levelTwo'
import { getLevelThreeList } from '@/api/levelThree'
import SelectImage from '@/components/selectImage/selectImage.vue'
import { getUrl } from '@/utils/image'
import RichEdit from '@/components/richtext/rich-edit.vue'

const getLevelTwo = (one) => {
  if (!one) return []
  return levelTwoOptions.value.filter(item => item.levelOneID === one)
}

const getLevelThree = (two) => {
  if (!two) return []
  return levelThreeOptions.value.filter(item => item.levelTwoID === two)
}

const levelOneOptions = ref([])
const levelTwoOptions = ref([])
const levelThreeOptions = ref([])
const getOneOptions = async() => {
  const resOne = await getLearnLevelOneList({ page: 1, pageSize: 9999 })
  if (resOne.code === 0) {
    levelOneOptions.value = resOne.data.list
  }
  const resTwo = await getLevelTwoList({levelOneID:20, page: 1, pageSize: 9999 })
  if (resTwo.code === 0) {
    levelTwoOptions.value = resTwo.data.list
  }
  const resThree = await getLevelThreeList({ page: 1, pageSize: 9999 })
  if (resThree.code === 0) {
    levelThreeOptions.value = resThree.data.list
  }
}

getOneOptions()

// 自动化生成的字典（可能为空）以及字段
const formData = ref({
  levelOneID: 20,
  levelTwoID: undefined,
  levelThreeID: undefined,
  title: '',
  briefly: '',
  cover: '',
  videoLink: '',
  text: '',
  textt: '',
  texttt: '',
  details: '',
  status: true,
  isPaid: false,
  praiseNum: 0,
  collectNum: 0,
  forwardNum: 0,
})

// 验证规则
const rule = reactive({
})

const searchRule = reactive({
  createdAt: [
    { validator: (rule, value, callback) => {
      if (searchInfo.value.startCreatedAt && !searchInfo.value.endCreatedAt) {
        callback(new Error('请填写结束日期'))
      } else if (!searchInfo.value.startCreatedAt && searchInfo.value.endCreatedAt) {
        callback(new Error('请填写开始日期'))
      } else if (searchInfo.value.startCreatedAt && searchInfo.value.endCreatedAt && (searchInfo.value.startCreatedAt.getTime() === searchInfo.value.endCreatedAt.getTime() || searchInfo.value.startCreatedAt.getTime() > searchInfo.value.endCreatedAt.getTime())) {
        callback(new Error('开始日期应当早于结束日期'))
      } else {
        callback()
      }
    }, trigger: 'change' }
  ],
})

const elFormRef = ref()
const elSearchFormRef = ref()

// =========== 表格控制部分 ===========
const page = ref(1)
const total = ref(0)
const pageSize = ref(10)
const tableData = ref([])
const searchInfo = ref({})

// 重置
const onReset = () => {
  searchInfo.value = {}
  getTableData()
}

// 搜索
const onSubmit = () => {
  elSearchFormRef.value?.validate(async(valid) => {
    if (!valid) return
    page.value = 1
    pageSize.value = 10
    if (searchInfo.value.status === '') {
      searchInfo.value.status = null
    }
    if (searchInfo.value.isPaid === '') {
      searchInfo.value.isPaid = null
    }
    getTableData()
  })
}

// 分页
const handleSizeChange = (val) => {
  pageSize.value = val
  getTableData()
}

// 修改页面容量
const handleCurrentChange = (val) => {
  page.value = val
  getTableData()
}

// 查询
const getTableData = async() => {
  const table = await getFdArticleLearnList({levelOneID:20, page: page.value, pageSize: pageSize.value, ...searchInfo.value })
  if (table.code === 0) {
    tableData.value = table.data.list
    total.value = table.data.total
    page.value = table.data.page
    pageSize.value = table.data.pageSize
  }
}

getTableData()

// ============== 表格控制部分结束 ===============

// 获取需要的字典 可能为空 按需保留
const setOptions = async() => {
}

// 获取需要的字典 可能为空 按需保留
setOptions()

// 多选数据
const multipleSelection = ref([])
// 多选
const handleSelectionChange = (val) => {
  multipleSelection.value = val
}

// 删除行
const deleteRow = (row) => {
  ElMessageBox.confirm('确定要删除吗?', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(() => {
    deleteFdArticleLearnFunc(row)
  })
}

// 批量删除控制标记
const deleteVisible = ref(false)

// 多选删除
const onDelete = async() => {
  const ids = []
  if (multipleSelection.value.length === 0) {
    ElMessage({
      type: 'warning',
      message: '请选择要删除的数据'
    })
    return
  }
  multipleSelection.value &&
        multipleSelection.value.map(item => {
          ids.push(item.ID)
        })
  const res = await deleteFdArticleLearnByIds({ ids })
  if (res.code === 0) {
    ElMessage({
      type: 'success',
      message: '删除成功'
    })
    if (tableData.value.length === ids.length && page.value > 1) {
      page.value--
    }
    deleteVisible.value = false
    getTableData()
  }
}

// 行为控制标记（弹窗内部需要增还是改）
const type = ref('')

// 更新行
const updateFdArticleLearnFunc = async(row) => {
  const res = await findFdArticleLearn({ ID: row.ID })
  type.value = 'update'
  if (res.code === 0) {
    formData.value = res.data.refdArticleLearn
    dialogFormVisible.value = true
  }
}

// 删除行
const deleteFdArticleLearnFunc = async(row) => {
  const res = await deleteFdArticleLearn({ ID: row.ID })
  if (res.code === 0) {
    ElMessage({
      type: 'success',
      message: '删除成功'
    })
    if (tableData.value.length === 1 && page.value > 1) {
      page.value--
    }
    getTableData()
  }
}

// 弹窗控制标记
const dialogFormVisible = ref(false)

// 查看详情控制标记
const detailShow = ref(false)

// 打开详情弹窗
const openDetailShow = () => {
  detailShow.value = true
}

// 打开详情
const getDetails = async(row) => {
  // 打开弹窗
  const res = await findFdArticleLearn({ ID: row.ID })
  if (res.code === 0) {
    formData.value = res.data.refdArticleLearn
    openDetailShow()
  }
}

// 关闭详情弹窗
const closeDetailShow = () => {
  detailShow.value = false
  formData.value = {
    levelOneID: 20,
    levelTwoID: undefined,
    levelThreeID: undefined,
    title: '',
    briefly: '',
    cover: '',
    videoLink: '',
    image: '',
    details: '',
    status: true,
    isPaid: false,
    praiseNum: 0,
    collectNum: 0,
    forwardNum: 0,
  }
}

// 打开弹窗
const openDialog = () => {
  type.value = 'create'
  dialogFormVisible.value = true
}

// 关闭弹窗
const closeDialog = () => {
  dialogFormVisible.value = false
  formData.value = {
    levelOneID: 20,
    levelTwoID: undefined,
    levelThreeID: undefined,
    title: '',
    briefly: '',
    cover: '',
    videoLink: '',
    image: '',
    details: '',
    status: true,
    isPaid: false,
    praiseNum: 0,
    collectNum: 0,
    forwardNum: 0,
  }
}
// 弹窗确定
const enterDialog = async() => {
  elFormRef.value?.validate(async(valid) => {
    if (!valid) return
    let res
    switch (type.value) {
      case 'create':
        res = await createFdArticleLearn(formData.value)
        break
      case 'update':
        res = await updateFdArticleLearn(formData.value)
        break
      default:
        res = await createFdArticleLearn(formData.value)
        break
    }
    if (res.code === 0) {
      ElMessage({
        type: 'success',
        message: '创建/更改成功'
      })
      closeDialog()
      getTableData()
    }
  })
}

</script>

<style>

</style>
